Description

Dichromic Acid CAS NO 13530-68-2 is a powerful oxidizing agent and a strong acid, primarily known for its role as a precursor to chromates and dichromates. Its high oxidative potential makes it a critical reagent in various synthesis and surface treatment processes where controlled oxidation is required. This compound is essential for manufacturers and R&D facilities in sectors such as chemical synthesis, metal finishing, and specialty material production.

Application

• Chemical Synthesis: Acts as a potent oxidizing agent in organic synthesis for the production of fine chemicals and intermediates.
• Metal Surface Treatment: Used in processes for cleaning, etching, and providing a conversion coating on metal surfaces, particularly for aluminum and other alloys.
• Laboratory Reagent: Serves as a key analytical reagent and standard in titrations and other quantitative chemical analyses.
• Catalyst Preparation: Employed in the preparation of chromium-based catalysts used in various industrial chemical reactions.
• Wood Preservation: A component in formulations for wood treatment, leveraging its biocidal properties.
• Ceramic & Pigment Industry: Used in the manufacturing of colored glasses, ceramic glazes, and inorganic pigments.

Basic Information

Product Name	Dichromic Acid
CAS No.	13530-68-2
Molecular Formula	H2Cr2O7
Molecular Weight	218.00 g/mol
Synonyms	Chromium(VI) Oxide Solution (in part); Hydrogen Dichromate; Dichromic(VI) Acid; Bichromic Acid; Pyrochromic Acid; Chromic Acid (common misnomer); H2Cr2O7
EINECS	236-881-5

Quality Control

Our Dichromic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product is tested against rigorous in-house specifications, which include assay, impurity profile, and stability assessments. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as organic compounds, reducing agents, and strong bases. Due to its nature as a strong acid and being easily oxidized (store under inert atmosphere), it is recommended to handle and store under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Red-orange solution
Identification (IR)	Conforms
Assay (as H2Cr2O7)	≥ 95.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.05 %
Iron (Fe)	≤ 0.005 %
Specific Gravity (20°C)	1.70 - 1.75

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.